reportedly ran a phony vaccination program in pakistan where osama bin laden was hiding to get dna evidence proving that he was there. the new york times says the pakistani doctor who ran the program had temporary access to the bin laden compound but never actually saw bin laden himself. that doctor was also unable to get dna samples from bin laden's family members. the paper says the doctor has now been arrested and is being held in pakistani custody because of his suspected collaboration with the united states. >>> well, the half brother of afghan president ha mid karzai is dead. you see him here in video from a couple years ago was assassinated today. officials say it was a "trustworthy associate" who went to karzai's house to get him to sign some papers. the man shot karzai in the head and the chest. he's been called the most powerful man in southern afghanistan. he survives several previous assassination attempts. >>> the u.s. house comes in to session in just about 45 minutes. and as ktvu's allison burns reports from our washington d.c. newsroom they're battling over lightbulbs. atson